office-gobmx/sd/source/core/shapelist.cxx

178 lines
4.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
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*
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* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include <tools/debug.hxx>
#include <svx/svdobj.hxx>
#include "shapelist.hxx"
#include <algorithm>
using namespace sd;
ShapeList::ShapeList()
{
maIter = maShapeList.end();
}
ShapeList::~ShapeList()
{
clear();
}
/** adds the given shape to this list */
void ShapeList::addShape( SdrObject& rObject )
{
ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
if( aIter == maShapeList.end() )
{
maShapeList.push_back(&rObject);
rObject.AddObjectUser( *this );
}
else
{
OSL_FAIL("sd::ShapeList::addShape(), given shape already part of list!");
}
}
/** removes the given shape from this list */
SdrObject* ShapeList::removeShape( SdrObject& rObject )
{
ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
if( aIter != maShapeList.end() )
{
bool bIterErased = aIter == maIter;
(*aIter)->RemoveObjectUser(*this);
aIter = maShapeList.erase( aIter );
if( bIterErased )
maIter = aIter;
if( aIter != maShapeList.end() )
return (*aIter);
}
else
{
OSL_FAIL("sd::ShapeList::removeShape(), given shape not part of list!");
}
return 0;
}
/** removes all shapes from this list
NOTE: iterators will become invalid */
void ShapeList::clear()
{
ListImpl aShapeList;
aShapeList.swap( maShapeList );
ListImpl::iterator aIter( aShapeList.begin() );
while( aIter != aShapeList.end() )
(*aIter++)->RemoveObjectUser(*this);
maIter = aShapeList.end();
}
/** returns true if this list is empty */
bool ShapeList::isEmpty() const
{
return maShapeList.empty();
}
/** returns true if given shape is part of this list */
bool ShapeList::hasShape( SdrObject& rObject ) const
{
return std::find( maShapeList.begin(), maShapeList.end(), &rObject ) != maShapeList.end();
}
SdrObject* ShapeList::getNextShape(SdrObject* pObj) const
{
if( pObj )
{
ListImpl::const_iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), pObj ) );
if( aIter != maShapeList.end() )
{
aIter++;
if( aIter != maShapeList.end() )
{
return (*aIter);
}
}
}
else if( !maShapeList.empty() )
{
return (*maShapeList.begin());
}
return 0;
}
void ShapeList::ObjectInDestruction(const SdrObject& rObject)
{
ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
if( aIter != maShapeList.end() )
{
bool bIterErased = aIter == maIter;
aIter = maShapeList.erase( aIter );
if( bIterErased )
maIter = aIter;
}
else
{
OSL_FAIL("sd::ShapeList::ObjectInDestruction(), got a call from an unknown friend!");
}
}
SdrObject* ShapeList::getNextShape()
{
if( maIter != maShapeList.end() )
{
return (*maIter++);
}
else
{
return 0;
}
}
void ShapeList::seekShape( sal_uInt32 nIndex )
{
maIter = maShapeList.begin();
while( nIndex-- && (maIter != maShapeList.end()) )
maIter++;
}
bool ShapeList::hasMore() const
{
return maIter != maShapeList.end();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */